var wrap = document.getElementById('wrap');
var btn1 = document.getElementById('btn1');
var btn2 = document.getElementById('btn2');
var floor = document.getElementById('floor');
var span1 = document.getElementById('span1');
wrap.style.width = document.documentElement.clientWidth + 'px';
wrap.style.height = document.documentElement.clientHeight + 'px';
span1.innerHTML='98.21%';
floor.addEventListener('touchstart',fl,false);
btn1.addEventListener('touchstart',baobao,false);
btn2.addEventListener('touchstart',friend,false);
function fl(){
	floor.style.display='none';
}
function baobao(){
	window.open('http://www.baidu.com');
}
function friend(){
	window.open('http://www.baidu.com');
}